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INSTALLATION
Table of ue gas exhaust duct lengths
Combustion air intake from outside
C13 Flue gas exhaust and
air suction duct through
external wall in the
same range of pressure
C33 Flue gas exhaust
and air suction duct
from outside with roof
terminal in the same
range of pressure
Type of air suction/ue gas exhaust ducting
S1 = Air intake S2 = Flue gas exhaust
Type
Maximum Extension
Exhaust-air (m)
Pipes
diameter
(mm)
NEXT EVO X SFT 11/16
MIN MAX
Coaxial
system
C13
C33
0,6 8 ø 60/100
Twin-pipe
System
C13
C33
S1 = S2
ø 80/80
0,6 = 0,6 8 = 8
WARNING
Before performing any work on the
appliance, rst disconnect it from the
electrical power supply using the external
bipolar switch.
Electrical connections
For increased safety, ask a qualied technician to perform
a thorough check of the electrical system.
The manufacturer is not responsible for any damage
caused by the lack of a suitable earthing system or by the
malfunctioning of the electricity mains supply.
Make sure that the system is able to withstand the
maximum power absorbed by the appliance (this is
indicated on the appliance data plate).
Check that the section of the wires is suitable and is not
less than 0,75 mm
2
The appliance must be connected to an efecient earthing
system if it is to operate correctly.
The power supply cable must be connected to a
230V-50Hz network, where the L-N poles and the earth
connection are all respected.
The use of multiplugs, extension leads or adaptors is
strictly prohibited.
It is strictly forbidden to use the piping from the hydraulic,
heating and gas systems for the appliance earthing
connection.
The appliance is not protected against the effects caused
by lightning. If the mains fuses need to be replaced, use
3.15A rapid fuses.
Important!
Connection to the electricity mains supply
must be performed using a xed connection
(not with a mobile plug) and a bipolar switch
with a minimum contact opening of 3mm
must be tted.
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